PCB Congeners & Hexachlorobenzene Mix #1 Back Catalog number: 95450 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA11890400AC trans-Cypermethrin D6 (dimethyl D6), 100 ng/µl, 1.1ml Price on request 50039 Potassium Bromide Price on request XA17305000AL Terbuthylazine-2-hydroxy, 100 ng/µl, 1ml Price on request